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A Method For Man-machine Task Analysis

Report Number: WADC TR 53-137
Author: Miller, Robert B.
Corporate Author: American Institutes for Research
Laboratory: Aero Medical Laboratory
Date of Publication: 1953-06
Pages: 65
PB Number: PB117702
AD Number: AD0015921
Original AD Number: 15921

This report describes a systematic procedure for making a task analysis of the operator's job in any man-machine system. The quality and quantity standards defined for the man-machine system are analysed into constituent variables or functions. The operator is treated as part of the system's linkages from input to output functions. Information displayed to the operator is analysed into essential discrimination requirements; control activations necessary to control the machine's outputs are analysed into component "effector" or response requirements. Other behaviors include "discrimination of response adequacy," "memory storage," "decisions," "coordinations," "anticipations," and "characteristic malpractices." Tasks are differentiated into discontinuous (procedural) and continuous (tracking). Formats for making the analysis are provided. The method, although of general applicability, is specifically designed for use by trained specialists in planning for training and training equipment. Associated procedures are described in WADC Technical Reports 53-135 Engineering Design Requirements for Training Equipment; 53-136, Handbook on Training and Training Equipment Design; and 53-l38, Human Engineering Design Schedule for Training Equipment.

Hunt Library, Embry-Riddle Aeronautical University
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